vf^2=vi^2+2ad solve for a
work=KE of car initially
or work=force*distance=ma*distance
force=mu(mg)=ma
mu=a/g
A 1300kg car going 20m/s has to stop suddenly. The driver locks the brakes, and the car skids to a halt in a distance of 64m .
What was the car's acceleration while stopping?
How much work was done by friction to stop the car?
What is the coefficient of kinetic friction between tires and road?
1 answer